xref: /openbsd/sys/dev/tc/ioasicreg.h (revision 07bd3953)
1 /* $OpenBSD: ioasicreg.h,v 1.3 2017/10/13 08:58:42 mpi Exp $ */
2 /* $NetBSD: ioasicreg.h,v 1.6 2000/07/17 02:18:17 thorpej Exp $ */
3 
4 /*
5  * Copyright (c) 1991,1990,1989,1994,1995 Carnegie Mellon University
6  * All Rights Reserved.
7  *
8  * Permission to use, copy, modify and distribute this software and
9  * its documentation is hereby granted, provided that both the copyright
10  * notice and this permission notice appear in all copies of the
11  * software, derivative works or modified versions, and any portions
12  * thereof, and that both notices appear in supporting documentation.
13  *
14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17  *
18  * Carnegie Mellon requests users of this software to return to
19  *
20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
21  *  School of Computer Science
22  *  Carnegie Mellon University
23  *  Pittsburgh PA 15213-3890
24  *
25  * any improvements or extensions that they make and grant Carnegie the
26  * rights to redistribute these changes.
27  */
28 
29 /*-
30  * Copyright (c) 1992, 1993
31  *	The Regents of the University of California.  All rights reserved.
32  *
33  * This code is derived from software contributed to Berkeley by
34  * The Mach Operating System project at Carnegie-Mellon University,
35  * Ralph Campbell and Rick Macklem.
36  *
37  * Redistribution and use in source and binary forms, with or without
38  * modification, are permitted provided that the following conditions
39  * are met:
40  * 1. Redistributions of source code must retain the above copyright
41  *    notice, this list of conditions and the following disclaimer.
42  * 2. Redistributions in binary form must reproduce the above copyright
43  *    notice, this list of conditions and the following disclaimer in the
44  *    documentation and/or other materials provided with the distribution.
45  * 3. Neither the name of the University nor the names of its contributors
46  *    may be used to endorse or promote products derived from this software
47  *    without specific prior written permission.
48  *
49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59  * SUCH DAMAGE.
60  *
61  *	@(#)asic.h	8.1 (Berkeley) 6/10/93
62  */
63 
64 /*
65  * Slot definitions
66  */
67 
68 #define IOASIC_SLOT_0_START		0x000000
69 #define IOASIC_SLOT_1_START		0x040000
70 #define IOASIC_SLOT_2_START		0x080000
71 #define IOASIC_SLOT_3_START		0x0c0000
72 #define IOASIC_SLOT_4_START		0x100000
73 #define IOASIC_SLOT_5_START		0x140000
74 #define IOASIC_SLOT_6_START		0x180000
75 #define IOASIC_SLOT_7_START		0x1c0000
76 #define IOASIC_SLOT_8_START		0x200000
77 #define IOASIC_SLOT_9_START		0x240000
78 #define IOASIC_SLOT_10_START		0x280000
79 #define IOASIC_SLOT_11_START		0x2c0000
80 #define IOASIC_SLOT_12_START		0x300000
81 #define IOASIC_SLOT_13_START		0x340000
82 #define IOASIC_SLOT_14_START		0x380000
83 #define IOASIC_SLOT_15_START		0x3c0000
84 #define IOASIC_SLOTS_END		0x3fffff
85 
86 /*
87  *  Register offsets (slot 1)
88  */
89 
90 #define IOASIC_SCSI_DMAPTR		IOASIC_SLOT_1_START+0x000
91 #define IOASIC_SCSI_NEXTPTR		IOASIC_SLOT_1_START+0x010
92 #define IOASIC_LANCE_DMAPTR		IOASIC_SLOT_1_START+0x020
93 #define IOASIC_SCC_T1_DMAPTR		IOASIC_SLOT_1_START+0x030
94 #define IOASIC_SCC_R1_DMAPTR		IOASIC_SLOT_1_START+0x040
95 #define IOASIC_SCC_T2_DMAPTR		IOASIC_SLOT_1_START+0x050
96 #define IOASIC_SCC_R2_DMAPTR		IOASIC_SLOT_1_START+0x060
97 #define IOASIC_FLOPPY_DMAPTR		IOASIC_SLOT_1_START+0x070
98 #define IOASIC_ISDN_X_DMAPTR		IOASIC_SLOT_1_START+0x080
99 #define IOASIC_ISDN_X_NEXTPTR		IOASIC_SLOT_1_START+0x090
100 #define IOASIC_ISDN_R_DMAPTR		IOASIC_SLOT_1_START+0x0a0
101 #define IOASIC_ISDN_R_NEXTPTR		IOASIC_SLOT_1_START+0x0b0
102 #define IOASIC_BUFF0			IOASIC_SLOT_1_START+0x0c0
103 #define IOASIC_BUFF1			IOASIC_SLOT_1_START+0x0d0
104 #define IOASIC_BUFF2			IOASIC_SLOT_1_START+0x0e0
105 #define IOASIC_BUFF3			IOASIC_SLOT_1_START+0x0f0
106 #define IOASIC_CSR			IOASIC_SLOT_1_START+0x100
107 #define IOASIC_INTR			IOASIC_SLOT_1_START+0x110
108 #define IOASIC_IMSK			IOASIC_SLOT_1_START+0x120
109 #define IOASIC_CURADDR			IOASIC_SLOT_1_START+0x130
110 #define IOASIC_ISDN_X_DATA		IOASIC_SLOT_1_START+0x140
111 #define IOASIC_ISDN_R_DATA		IOASIC_SLOT_1_START+0x150
112 #define IOASIC_LANCE_DECODE		IOASIC_SLOT_1_START+0x160
113 #define IOASIC_SCSI_DECODE		IOASIC_SLOT_1_START+0x170
114 #define IOASIC_SCC0_DECODE		IOASIC_SLOT_1_START+0x180
115 #define IOASIC_SCC1_DECODE		IOASIC_SLOT_1_START+0x190
116 #define IOASIC_FLOPPY_DECODE		IOASIC_SLOT_1_START+0x1a0
117 #define IOASIC_SCSI_SCR			IOASIC_SLOT_1_START+0x1b0
118 #define IOASIC_SCSI_SDR0		IOASIC_SLOT_1_START+0x1c0
119 #define IOASIC_SCSI_SDR1		IOASIC_SLOT_1_START+0x1d0
120 #define IOASIC_CTR			IOASIC_SLOT_1_START+0x1e0 /*3max+/3000*/
121 
122 /* System Status and control Register (SSR). */
123 #define IOASIC_CSR_DMAEN_T1		0x80000000	/* rw */
124 #define IOASIC_CSR_DMAEN_R1		0x40000000	/* rw */
125 #define IOASIC_CSR_DMAEN_T2		0x20000000	/* rw */
126 #define IOASIC_CSR_DMAEN_R2		0x10000000	/* rw */
127 #define IOASIC_CSR_FASTMODE		0x08000000	/* rw - 3000 */
128 #define IOASIC_CSR_xxx			0x07800000	/* reserved - 3000 */
129 #define IOASIC_CSR_DS_xxx		0x0f800000	/* reserved - DS */
130 #define IOASIC_CSR_FLOPPY_DIR		0x00400000	/* rw - maxine */
131 #define IOASIC_CSR_DMAEN_FLOPPY		0x00200000	/* rw - maxine */
132 #define IOASIC_CSR_DMAEN_ISDN_T		0x00100000	/* rw */
133 #define IOASIC_CSR_DMAEN_ISDN_R		0x00080000	/* rw */
134 #define IOASIC_CSR_SCSI_DIR		0x00040000	/* rw - DS */
135 #define IOASIC_CSR_DMAEN_SCSI		0x00020000	/* rw - DS */
136 #define IOASIC_CSR_DMAEN_LANCE		0x00010000	/* rw - DS */
137 /* low 16 bits are rw gp outputs */
138 #define IOASIC_CSR_DIAGDN		0x00008000	/* rw */
139 #define IOASIC_CSR_TXDIS_2		0x00004000	/* rw - 3min,3max+ */
140 #define IOASIC_CSR_TXDIS_1		0x00002000	/* rw - 3min,3max+ */
141 #define IOASIC_CSR_ETHERNET_UTP		0x00002000	/* rw - 3000 but 300 */
142 #define IOASIC_CSR_ISDN_ENABLE		0x00001000	/* rw - 3000/maxine */
143 #define IOASIC_CSR_SCC_ENABLE		0x00000800	/* rw */
144 #define IOASIC_CSR_RTC_ENABLE		0x00000400	/* rw */
145 #define IOASIC_CSR_SCSI_ENABLE		0x00000200	/* rw - DS */
146 #define IOASIC_CSR_LANCE_ENABLE		0x00000100	/* rw */
147 
148 /* System Interrupt Register (and Interrupt Mask Register). */
149 #define IOASIC_INTR_T1_PAGE_END		0x80000000	/* rz */
150 #define IOASIC_INTR_T1_READ_E		0x40000000	/* rz */
151 #define IOASIC_INTR_R1_HALF_PAGE	0x20000000	/* rz */
152 #define IOASIC_INTR_R1_DMA_OVRUN	0x10000000	/* rz */
153 #define IOASIC_INTR_T2_PAGE_END		0x08000000	/* rz */
154 #define IOASIC_INTR_T2_READ_E		0x04000000	/* rz */
155 #define IOASIC_INTR_R2_HALF_PAGE	0x02000000	/* rz */
156 #define IOASIC_INTR_R2_DMA_OVRUN	0x01000000	/* rz */
157 #define IOASIC_INTR_FLOPPY_DMA_E	0x00800000	/* rz - maxine */
158 #define IOASIC_INTR_ISDN_TXLOAD		0x00400000	/* rz - 3000/maxine */
159 #define IOASIC_INTR_ISDN_RXLOAD		0x00200000	/* rz - 3000/maxine */
160 #define IOASIC_INTR_ISDN_OVRUN		0x00100000	/* rz - 3000/maxine */
161 #define IOASIC_INTR_SCSI_PTR_LOAD	0x00080000	/* rz - DS */
162 #define IOASIC_INTR_SCSI_OVRUN		0x00040000	/* rz - DS */
163 #define IOASIC_INTR_SCSI_READ_E		0x00020000	/* rz - DS */
164 #define IOASIC_INTR_LANCE_READ_E	0x00010000	/* rz - DS */
165 
166 /* low 16 bits are model-dependent; see also model specific *.h */
167 #define IOASIC_INTR_NVR_JUMPER		0x00004000	/* ro */
168 #define IOASIC_INTR_ISDN		0x00002000	/* ro - 3000 */
169 #define IOASIC_INTR_NRMOD_JUMPER	0x00000400	/* ro */
170 #define IOASIC_INTR_SEC_CON		0x00000200	/* ro */
171 #define IOASIC_INTR_SCSI		0x00000200	/* ro - DS */
172 #define IOASIC_INTR_LANCE		0x00000100	/* ro */
173 #define IOASIC_INTR_SCC_1		0x00000080	/* ro */
174 #define IOASIC_INTR_SCC_0		0x00000040	/* ro */
175 #define IOASIC_INTR_ALT_CON		0x00000008	/* ro - 3000/500 */
176 #define IOASIC_INTR_300_OPT1		0x00000008	/* ro - 3000/300 */
177 #define IOASIC_INTR_300_OPT0		0x00000004	/* ro - 3000/300 */
178 
179 /* DMA pointer registers (SCSI, Comm, ...) */
180 
181 #define	IOASIC_DMA_ADDR(p) \
182     ((((p) << 3) & ~0x1f) | (((p) >> 29) & 0x1f))
183 #define	IOASIC_DMA_BLOCKSIZE		0x1000
184 
185 /* For the LANCE DMA pointer register initialization the above suffices */
186 
187 /* More SCSI DMA registers */
188 
189 #define IOASIC_SCR_STATUS		0x00000004
190 #define IOASIC_SCR_WORD			0x00000003
191 
192 /* Various Decode registers */
193 
194 #define IOASIC_DECODE_HW_ADDRESS	0x000003f0
195 #define IOASIC_DECODE_CHIP_SELECT	0x0000000f
196 
197 /*
198  * And slot assignments.
199  */
200 #define IOASIC_SYS_ETHER_ADDRESS(base)	((base) + IOASIC_SLOT_2_START)
201 #define IOASIC_SYS_LANCE(base)		((base) + IOASIC_SLOT_3_START)
202